config root man

--source include/have_innodb_max_16k.inc
--source include/not_valgrind.inc
--source include/not_embedded.inc
--source include/big_test.inc
--source include/have_debug.inc

# Create custom datadir path
--mkdir $MYSQL_TMP_DIR/datadir1

# Set different paths for --datadir
let $MYSQLD_DATADIR1 = $MYSQL_TMP_DIR/datadir1/data;

let $page_size = `select @@innodb_page_size`;

# Stop the MTR default datadir, as it was started with default 16k page size
--echo # Stop DB server which was created by MTR default
--source include/shutdown_mysqld.inc

let BOOTSTRAP_SQL=$MYSQL_TMP_DIR/boot.sql;

--echo # create bootstrap file
write_file $BOOTSTRAP_SQL;
CREATE DATABASE test;
EOF

# Set the bootstrap parameter with 2 undo tablespaces of different space id
# other than 1

let NEW_CMD = $MYSQLD --no-defaults --initialize-insecure $KEYRING_PLUGIN_OPT --lc_messages_dir=$MYSQL_SHAREDIR --innodb-page-size=$page_size --basedir=$MYSQLD_BASEDIR --datadir=$MYSQLD_DATADIR1 --debug=d,innodb_undo_upgrade --innodb_log_file_size=5M --innodb_log_files_in_group=2 --init-file=$BOOTSTRAP_SQL --innodb_undo_tablespaces=2 --secure-file-priv="" </dev/null>>$MYSQLTEST_VARDIR/tmp/bootstrap.log 2>&1;

--echo # Run the bootstrap command with 2 undo tablespaces
--exec $NEW_CMD

--echo # Start the DB server with 2 undo tablespaces
--replace_result $MYSQLD_DATADIR1 MYSQLD_DATADIR1 $page_size page_size
--let $restart_parameters="restart: --datadir=$MYSQLD_DATADIR1 --innodb_undo_tablespaces=2"
--source include/start_mysqld.inc

CREATE TABLE t1
	(keyc INT, c1 CHAR(100), c2 CHAR(100),
	 PRIMARY KEY(keyc))ENGINE=INNODB;
DELIMITER |;

CREATE PROCEDURE populate_t1()
BEGIN
DECLARE i INT DEFAULT 1;
	while (i <= 40000) DO
		insert into t1 values (i, 'a', 'b');
		SET i = i + 1;
	END WHILE;
END |
DELIMITER ;|

BEGIN;
CALL populate_t1();
DELETE FROM t1 WHERE keyc < 20000;
UPDATE t1 SET c1 = 'mysql' WHERE keyc > 20000;
UPDATE t1 SET c1 = 'oracle' WHERE keyc > 20000;
COMMIT;
DROP TABLE t1;
DROP PROCEDURE populate_t1;

let CHECKFILE = $MYSQLTEST_VARDIR/log/check.txt;

let MYSQLD_DATADIR = `select @@datadir`;

--echo # Read the file size of undo tablespace before truncation
perl;

($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size1)
	= stat("$ENV{MYSQLD_DATADIR}/undo004");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size2)
	= stat("$ENV{MYSQLD_DATADIR}/undo005");
open(OUT, ">$ENV{CHECKFILE}") || die;
print OUT "let \$size1='$size1,$size2';\n";
close(OUT);
EOF

SET GLOBAL innodb_fast_shutdown=0;

--replace_result $page_size page_size
--let $restart_parameters="restart: --innodb-page-size=$page_size"
--source include/restart_mysqld.inc

--source $CHECKFILE

let MYSQLD_DATADIR = $MYSQLD_DATADIR1;

--echo # Read the file size of undo tablespace after truncation

perl;
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size1)
	= stat("$ENV{MYSQLD_DATADIR}/undo004");
($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size2)
	= stat("$ENV{MYSQLD_DATADIR}/undo005");
open(OUT, ">$ENV{CHECKFILE}") || die;
print OUT "let \$size2='$size1,$size2';\n";
close(OUT);
EOF

--source $CHECKFILE

if ($size1 == $size2)
{
   echo Truncation did not happen: $size1 == $size2;
}

--remove_file $BOOTSTRAP_SQL
let CLEANUP_FOLDER= $MYSQL_TMP_DIR/datadir1;
--source include/cleanup_folder.inc